Home / 268,595.10-370,692.78-153,910.89

Finding the Fourth Proportional to 268,595.10, 370,692.78 and 153,910.89

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Solution

The fourth proportional to 268,595.10, 370,692.78 and 153,910.89 is: 212,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,595.10 : 370,692.78 = 153,910.89 : x
  2. Step 2: Convert to fraction form
    268,595.10/370,692.78 = 153,910.89/x
  3. Step 3: Cross multiply
    268,595.10x = 370,692.78 × 153,910.89
  4. Step 4: Simplify right side
    268,595.10x = 57,053,655,686.37
  5. Step 5: Solve for x
    x = 57,053,655,686.37/268,595.10
  6. Step 6: Final answer
    x = 212,415.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.